A sea star shimp (Periclimenes soror), swims through a forest of spines on the back of a crown-of-thorns starfish, Micronesia, Pacific

acanthaster acanthaster planci acanthasteridae animal animal themes animals in the wild aquatic arthropod asteroidea atop biological biology carid shrimp caridea caroline islands chordata cleaner shrimp close up color image commensal commensal shrimp commensalism crown of thorns starfish crustacean day decapod decapoda directly above echinoderm echinodermata ecology enlargement extreme close up fauna fish high angle view horizontal ichthyology little macro magnification magnified malacostraca marine biology micronesia mini nature no people ocean life oceania on top on top of orange color outdoors overhead view palaemonidae periclimenes soror photography prawn science sea life sea stars seastar seastar shrimp shrimp small species spiked spikes spiky spine spiny star fish starfish starfish shrimp symbiosis symbiotic relationship tiny top view tropical fish two animals undersea underwater valvatida venus shrimp wildlife yap zoology